EDEN PRAIRIE, Minn.--(BUSINESS WIRE)--ACIST Medical Systems (a Bracco Group Company), a world leading provider of innovative contrast delivery systems for diagnostic and therapeutic imaging in cardiology and radiology, and Novation LLC, the health care industry’s leading contracting services company serving members of VHA Inc., the University HealthSystem Consortium (UHC) and Provista , today announced the inclusion of the ACIST CVi ® contrast delivery system into the companies’ previously established product purchasing agreement with E-Z-EM, Inc., acquired by ACIST Medical Systems in April 2008.